-
+
迭代列表,连续用+ 操作依次拼接每一个字符串
li = ['aa', "bb", "cc", 'dd']
s = ''
for i in li:
s = s + i
print(s)
print("最终值-->", s)
存在临时变量的大量空间浪费
-
jion
使用str.join
方法, 更加快速的拼接列表中所有字符串
li = ['aa', "bb", "cc", 'dd']
s = "".join(li)
print(s)
如存在int类型
li = ['aa', "bb", "cc", 'dd', 11, 22]
s = "".join((str(i) for i in li]))
print(s)